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2 years ago

Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three

Mathematics

1 answer:

Novay_Z [31]2 years ago

5 0

Answer:

For me the answer is

The ratio for the percent increase has a smaller denominator than the percent decrease.

Step-by-step explanation:

From 45 to 75, the increase is 30

If we check the % increased, (30/45)*100 = 66.667%

If we decrease the price from 75 to 45, the amount is same, i.e. 30 but the denominator is changed.

(30/75)*100 = 40%

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Read 2 more answers

Determine if

Gnesinka [82]

The values of a and b are 1/4 and 1/5 respectively

<h3>How to determine the true statement?</h3>

The function is given as:

16x^2 - 25y^2 = 1

The above function is a horizontal hyperbola.

A horizontal hyperbola that passes through the origin is represented as:

$\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1$

Rewrite 16x^2 - 25y^2 = 1 as

$\frac{x^2}{1/16} - \frac{y^2}{1/25} = 1$

By comparison, we have:

$a^2 = \frac{1}{16}$

$b^2 = \frac{1}{25}$

Solve for a and b

$a = \frac{1}{4}$

$b = \frac{1}{5}$

Hence, the values of a and b are 1/4 and 1/5 respectively